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Finding the Fourth Proportional to 1,942,889.82, 2,914,578.87 and 1,043,094.78

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Solution

The fourth proportional to 1,942,889.82, 2,914,578.87 and 1,043,094.78 is: 1,564,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,889.82 : 2,914,578.87 = 1,043,094.78 : x
  2. Step 2: Convert to fraction form
    1,942,889.82/2,914,578.87 = 1,043,094.78/x
  3. Step 3: Cross multiply
    1,942,889.82x = 2,914,578.87 × 1,043,094.78
  4. Step 4: Simplify right side
    1,942,889.82x = 3,040,182,005,195.30
  5. Step 5: Solve for x
    x = 3,040,182,005,195.30/1,942,889.82
  6. Step 6: Final answer
    x = 1,564,773.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.